Turning-in machine for bookbinders



J n- 2, 1951 I J. G. ORT ET AL 2,536,210

TURNING-iN MACHINE FOR BOOKBINDERS Filed Nov. 26, 1947 2 Sheets-Sheet 1 i L w '4 E i I; l Fa s 1 s- 1 i Q l I. I i i l i 5% IE I F I: I I l i .i i

INVENTORS. I

QT TOR NEYS.

Jan. 2, 1951 I J. G. ORT ET AL 2,536,210

TURNING-IN MACHINE FOR BOOKBINDERS Filed Nov. 26, 1947 2 Sheets-Sheet 2 ag/l/llfl/ A OR EYS.

Patented Jan. 2, 1951 TURNING-IN MACHINE FOR BOOKBINDERS Johannes Ort, Cincinnati, Ohio, and Joseph R. Hibbard, Covington, Ky.

Application November 26, 1947, Serial No. 788,214

16 Claims. 1

Our invention relates to a turning-in machine in the book binding art for turning-in the covering material on the cover board of a book or the like.

In book binding, it is customary to cover the cover board which comprises the front and back of a book with covering material of either buckram, canvas, imitation leather, or any other well-known materials. The covering material is made slightly larger than the cover board and the projecting edges are turned up over the edges of the board and adhesively secured to the other side. 7 Normally this operation is done by hand, which of course, slows up the whole process of binding books. While there are machines for turning-in, as it is called, the edge of the cover material, they are usually only applicable when adjusted for books of a said predetermined size.

It is an object of our invention to provide a turning-in machine which may be used without readjustment on cover boards of various sizes.

It is a further object of our invention to provide a turning-in machine which will quickly and evenly turn-in the edge of the cover material and press it tightly against the cover board so that it will adhere and not come apart after rough handling.

It is a further object of our invention to provide a turning-in machine which has all of the advantages stated above and which will turn-in the cover material over the cover board on all four sides evenly and neatly.

A further object of our invention is to provide a turning-in machine which is relatively inexpensive to construct but which is extremely rugged and will operate continuously for a relatively long period.

These and other objects of our invention which will be set forth hereinafter or will be apparent to one skilled in the art upon reading the specifications, we accomplish by that certain construction and arrangement of parts of which we shall now describe an exemplary embodiment.

Reference is now made to the drawings which form a part thereof and in which:

Figure 1 is a front elevation of our turning-in machine from the operators position.

Figure 2 is'a plan view of our novel turning-in machine.

Figure 3 is a cross section of our novel turningin machine taken on the section line 3-3 of Figure 1.

Figure 4 is a perspective view of a cover board with cover material underlying thesame.

Figure 5 is a cross section of the upper portion of our turning-in machine taken on the section line 5-5 of Figure 1.

Figure 6 is an enlarged cross section of the operating portion of our turning-in machine showing the cover board and cover material in operating position.

Figure 7 is a plan view of a portion of the mandrel of our turning-in machine.

Figure 8 is a perspective view of the cover board with the material in place after it has been turned-in.

Briefly, in the practice of our invention, we provid a turning-in machine consisting of a rotating mandrel having projecting resilient ears tangentially positioned on the mandrel in a helical line around the same. The mandrel is rotated above a support for the cover board and underlying cover and is rotated so that the ears will wipe the upturned edge of the cover over and downward upon the surface of the cover board.

We provide also an abutment which assists the operator in starting the bend in the cover material as well as an abutment on the supporting frame to insure the correct positioning of the cover board and cover under the rotating mandrel.

Referring to the drawings, we provide a stand consisting of legs I having an upper frame 2 which supports a tilting table 3, fastened at one end to the frame 2 by the hinge 4. The opposite end of the table 3 is preferably supported on a rocker arm 5 pintled at 6 to the frame 2. The table 3 is urged downwardly by the spring I and the leading edge 8 of the table 3 has an abutment 9 against which the cover board l0 and the backing II are positioned.

The opposite end of the arm 5 is connected by linkage l2 and turnbuckles l2 to a foot treadle 22 or it may be rigged up in any other manner so as to be operable by the foot.

While we have shown an arm and foot treadle arrangement for raising and lowering the meeting edge of the table 3, it is to be understood that numerous difierent ways may be utilized for accomplishing this and that the amount of movement may be adjusted as shown by the turnbuckle or by the use of spacing pins, or the like.

The leading portion of the table 3 preferably carries a strap I3 of resilient material in th form of a cushion.

The table 3 is preferably maintained in a substantially horizontal position although in some instances it may be advisable to tilt the machine tosome other position. However, in the descrip- 3 tion, drawings, and claims, we refer to the table 3 as being in a horizontal position.

Extending vertically over the table 3 is an abutment board [4 in some manner attached to the machine so there will be a space between the bottom edge Id of the abutment board and the upper surface of the table 3 to accommodate a cover board and its cover. In the embodiment shown and described, the abutment board I4 is mounted directly to the table 3 by means of angle brackets I5 (see Figures 1 and 3).

Mounted on the frame 2 in journals I6 and I! is a rotating mandrel [8. The mandrel it; is rotatably driven by a motor l9 through suitable strapping or gearing.

The mandrel 18 carries a plurality of resilient ears 20. The ears 28 are arranged on the man.- drel l8 so they project tangentially or at right angles to a radius of the mandrel. In the embodiment illustrated, we have shown the mandrel h ragohal i t rm wit the a s. 9 attach to he ace of the mandr l it. by o s 2!- The mandrel I8 is rotated in the direction of the ar ow (see Fi ures 5. and so that th 5 2i! oithe ear 2.6 follow the. d rection of wtieen,

he ears 20 are fastened adjacent each other and n a. li l line arou d th mandr l 18. with a second ica line the ears of wh ch. are. offset or sta ere in r fer n e to he arsv makin p thefi st h li al. line (see ure The cover board ill with the underlying coyer material H. is mounted in position below the otat ng mandr l. tv by the. abutment 9, and the tabl 3. is t ed up rd y so t at. the ends at. o th ears. mo nt d on the. r tatin mandrel it W l. comet and W p the. cover edge 15' over the ed e an nto. he ppo ite surface, of he cover board to (see. Fi ure. 6

Due to t e eet that the. ears, 20. are in a. helical. line a ound the mandrel, there wiilbe. a smooth continuou w p e. irom one end of. the ed f he ove board to the ther, and ina much a the second helical line of ear-s 2.0; are. staggered reference, to the first there is no line. or break in th w pe ue. to the juncture of adjoining ears 20.

Theears. 20; are formed. of relatively stifi; resilt nt. ma erial and we. preferabl form e of spring steel such as is used. in the main spring of; a clock. The distance. between the cover. board it) and the. mandrel 18, when in operation is such that 1 the ear contacts the edge of the board 1 0; and cover U it is slightly bent rearward so o. Pre n a fi m Wip n .suriaee. a ainst the edge. U. Q he 0 31 nd ioroe it. 1. close. con,- tact with the surface of the cove board In fieure-el.

The up t n butment l4 besides acting as aguard to prevent the. operators hands from get.- g close to the ears 110f he. mandrel 1.8, also is used to start the fold of the edge H! of the cover over the edge of the. cover board. It, (see Figure 5).

The mode of operation of our machine is as rqllows. The cover board It and the. spine of the b ek a a d b adhee ely secured to the cover material H with the edges ll project? ing as illustrated in Figure 4, The operator takes this assembly material and by means oi a fountain brush or otherwise, moistensv the mucilage on. the projecting edges l I. of the cover.

Th o r e selects hi h. e e of the. cov r board he s es to om enc with and abuts his again t he abutment with sli h 1y: ru ed, eonstru 4 wiping motion so as to turn up the edge H' as shown in the broken lines Figure 5.

The operator then slides the cover board 10 through the space between the bottom M of the abutment board and the top of the table 3 until the edge on which he is working abuts against the positioning abutment 9. Theoperator then presses on the foot treadle I3 which raises the end 8 of the tahle 3 into the operative position shown in Figure 6. The mandrel I8 is constantly rotating and when the table 3 reaches the position shown in Figure 6, the ends 20 of the ears on the mandrel l8 impinge upon, fold down, and wipe the cover edge ll against the upper surface of the cover board I0 as shown in Figure 6.

After this operation, the operator takes his foot ofi the treadle 22 which lowers the table 3 and permits him to remove the cover board with the cover attached and with a side turned-in. The operator then rocee s to rep at this s ies of ope ations u on. the. PPQSite e g t e co e boa d and t n-i 3 oh he t m ining,- edges- The result of the operation is shown in Figure ii, wh re n. he over ed H are n nea y a firm y fie ed ever the edges of the o er bo rd 1;

The corners of the Prei etine g H hav prev usly been o bit to. term a neat cor her as shown i Fi u e or a ch eerhe may hav bee re iously f rmed by and! The r s i nt cu hionin he e d of the table it es a ligh he eiiect, eeuntee acting the wipe of the ears 20.

While we. a e. and. describ d. the me drel. 18 as bein exa o al n orm t is to be unders ood that it may o fi t raced prism ro a ng on. its lon udinal axi e ny ther ki d of. ce t-o ex rti n; w erein t e w pin r 20 man be ee .hed at. ri ht angles e a r dius co prisin the. rcl of the ro ati n o as to give an even, smooth ninterrupted w nin ion to the. ends of the. e rs 20..

F m the abov it is a par nt that we hav provided a urn n n machine wh ch is. extreme and wherein co er b ards of aryi siz and thickness. they: be in: s rted- The only limi ati n as to the thielsn ss oi the cover board is the size of the slot between; the a utment. beard. L4. an the pper surface of the ti in table or support it Qther devices s ch; as fountain brushes moist enere. r th li e may be incorporated into our machine. Also, it may. be. desirable tel moor? porate; a device. for turning round. corners. However, our invention relates primarily: tov the machine for; turning-in the cover portion over straight edges of thelcoverboard.

In the following claims wherewe have used the word cover*- it. relates to the cover material covering the cover board and not to the complete and finished cover of abook;

While in. the. description and drawings we have shown a device for turning in. the cover portion on the cover board of a. book, it is to be under: stood that our invention may also be usedin turning in the cover on other:v fiat. boards, such as chart supports, maps and the like are not finally folded. to form the cone of a book.

It is. to; be under-steed modification may be made in our invention without departing: from the. spirit: thereof. and we do not, intend to. limit ourselves otherwise, than as. pointed out the claims which follow. Having thus described our i. eve i on,v what we aim. new and desire. to secure by-Lettersfiatentis: i

{-1. A machine for turning-in the cover on a board comprising a support for the board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on'said mandrel having ends in wiping contact with the surface of the board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the board.

2. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is operation, said mandrel being at least as long as the edge of the cover board, the portion of the support underlying the edge adjacent the surface to be wiped being movable toward and away from said ear ends.

3. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of th cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, the portion of the support underlying the edge adjacent the surface to be wiped being movable toward and away from said ear ends, and being composed of resilient material to form a cushion.

4. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said support having an abutment contactable by the edge of the cover board for positioning the same.

5. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said support having an upwardly projecting abutment contactable by the edge of the cover board for positioning the same, said abutment underlying the mandrel and parallel thereto and projecting upwardly a distance less than the thickness of the cover board and cover.

6. A machine for turning-in the cover on a cover board comp-rising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said ears lying on tangents to said mandrel.

7. A machine for turning-in the cover on a cover board comprising a support for th cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said ears lying on tangents to saidmandrel, and said mandrel rotating in a direction away from said ear ends. v

8. A machine for turning-in the cover ona cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said ears lying on tangents to said mandrel, and said mandrel rotating in a direction away from said ear ends, and positioned above the edge of said cover board with the ear ends wiping from the edge toward the interior ofsaid cover board.

9. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel s aced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation, said mandrel being at least as long as the edge of the cover board, said ears lying on tangents to said mandrel, and adjacent to each other and together forming at least one helical line around said mandrel.

10. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, said ears lying on tangents to said mandrel, and adjacent to each other and forming two helical lines around said mandrel with the individual ears in one helical line in staggered relation to the ears in the other helical line.

11. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, said ears being formed of resilient stiff material.

12. A machine for turning-in the cover on a. cover board comprising a support for the cover board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, said ears being formed of spring steel.

13. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said i mandrel being at least as long as the edge of the cover board, said mandrel being in the form of a flat faced prism rotatable on its longitudinal axis with the ears fastened to the faces and projecting at tangents to the mandrel.

14. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating mandrel spaced from and parallel to the support, projecting ears, on said mandrel having ends in. wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, said mandrel being in the form of a flat faced prism rotatable on its longitudinal axis with the ears fastened to the faces and projecting at tangents to the mandrel, said prisms being hexagonal.

15. A machine for turning-in the cover on a. cover board comprising a support for the cover board and cover, a rotating mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in Wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, said support. being substantially horizontal and carrying a vertical abutment board positioned 8 in front of the mandrel and spaced above the support a distance greater than the combined thickness of the cover board and cover.

16. A machine for turning-in the cover on a cover board comprising a support for the cover board and cover, a rotating. mandrel having a fixed axial position spaced from and parallel to the support, projecting ears on said mandrel having ends in wiping contact with the surface of the cover board adjacent an edge thereof when the machine is in operation said mandrel being at least as long as the edge of the cover board, and an abutment board positioned in front: of the mandrel and spaced above the support when in operating position a distance greater than the combined thickness of the cover board and cover".

JOHANNES Gr 0R1; JOSEPH R. HIBBARD.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,046,658 Schoettle Dec. 10, 1912 1,326,827 Anthony Dec.. 30, 1919 1377:7415 Anthony Dec. 18, 1923 1,811,871 Anthony June- 30, I931 

